28541480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5897}}^1$

素因数の和:5930

約数の個数: 48

約数和(自身を含む): 70599060

約数和(自身を除く): 42057580

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5897, 11794, 23588, 29485, 47176, 58970, 64867, 117940, 129734, 235880, 259468, 324335, 518936, 648670, 713537, 1297340, 1427074, 2594680, 2854148, 3567685, 5708296, 7135370, 14270740, 28541480]

約数ペア:

[(1, 28541480), (2, 14270740), (4, 7135370), (5, 5708296), (8, 3567685), (10, 2854148), (11, 2594680), (20, 1427074), (22, 1297340), (40, 713537), (44, 648670), (55, 518936), (88, 324335), (110, 259468), (121, 235880), (220, 129734), (242, 117940), (440, 64867), (484, 58970), (605, 47176), (968, 29485), (1210, 23588), (2420, 11794), (4840, 5897)]